Job Description

Senior Internal Auditor
Posting Start Date:  27/10/2025
Job Function:  Regulatory Affairs Management
Company:  PTT Global Chemical Plc.
Work Location:  Bangkok or Rayong

Job Summary

Formulate policies, strategic directions, standards for operation, control and improve the quality of internal audit work. To support the creation ofadditional value operational improvement and achieving the objectives and goalsof the line of work and the company, including the effectiveness of the supervision Governance, Risk and Internal Control and Compliance (GRC).

Job Description

  • Support the preparation of audit plans. 
  • Prepare information for use in considering the annual audit plan and long-ter m audit plans as s igned.
  • Analyze information of activities as assigned.
  • Perform auditing work in accordance with internal audit standards.
  • Follow and study professional standards for internal audit practice.Comply with various standards or guidelines of the internal audit department.Provide advice to the auditors for auditing operations in accordance with sta ndards or guidelines.
  • Control the operation to be in accordance with plan.Follow up and report the progress of the audit work.Adjusting work practices in the case of operations may be delayed over the pl an.Monitor the problems from the performance of auditors. To give advice on appr opriate methods and able to achieve the goals, In accordance with the objectives of t he audit.
  • Plan and determine the audit framework of audit activities.
  • Coordinate with the audit client, regarding the initial information request d ration of the entrance meeting.
  • Collect and study the information of audit activities.Determine the audit objectives and scope.Identify critical risks and internal control activities for work processes.Establish audit program and prepare working paper.
  • Perform the audit fieldwork following to the audit program. Review the audit program, In the case of the additional information which aff ects to audit program credibility.Collect, auditing, analyze, evaluate various information and summarize the au dit results. Review the accuracy of audit finding.
  • Prepare audit report.Drafting the audit report. Review audit finding.Review the audit report and present the report to the relevant management.
  • Follow up on the work improvement of the audit client according to the recomm endation.Follow the implementation of recommendations from the audit client and record of results.
  • Counseling with audit client.Supporting information regarding internal control consulting, risk management And corporate governance. Advise various clients as requested by complying with professional standards for internal audit Practice.
  • Support the budgeting of the internal audit department.Collect data on resource usage needs, that supports the success of the plan a s assigned.Prepare budget information as determined by the company, and present the head of the department to consider.

Education

Bachelor's Degree or higher Accounting, Finance, Management, Information Technology, Economics, Law, Political Science, Science or Engineering Certified Internal Auditor (CIA) Certified Professional Internal Auditor of Thailand (CPIAT)

Experience

At least 5 years Internal audit or Management